Firearms; ammunition and projectiles; explosives; explosive and firing control systems percussion caps and detonation caps, detonators, detonating fuses, detonating plugs, fuses and explosive primers; control equipment namely, percussion caps and detonation caps, detonators, detonating fuses, detonating plugs, fuses and explosive primers, grenade and rocket launchers, structural components of canons, namely, trunnions and operational equipment for explosives, projectiles, artillery devices an...